The scientific and medical prizes have proved to be the least ______ , while those for literature and peace by their very nature have been the most exposed to critical differences.

A．its lengthy and complex development
B．a conflict such as is now going on in Northern Ireland
C．that we do not fly into a temper more often
D．that we reserve anger for mankind

A．founded in historical fact
B．deceptive
C．apparent
D．accurate